Lanthanides ||

Element Name ||= Symbol ||= Atomic Number ||= Atomic Weight || ||=
lanthanum ||= La ||= 57 ||= 138.91 || ||=
cerium ||= Ce ||= 58 ||= 140.12 || ||=
prasedymium ||= Pr ||= 59 ||= 140.91 || ||=
neodymium ||= Nd ||= 60 ||= 144.24 || ||=
promethium ||= Pm ||= 61 ||= 145 || ||=
samarium ||= Sm ||= 62 ||= 150.36 || ||=
europium ||= Eu ||= 63 ||= 151.96 || ||=
gadollnium ||= Gd ||= 64 ||= 157.25 || ||=
terium ||= Tb ||= 65 ||= 158.93 || ||=
dysporium ||= Dy ||= 66 ||= 162.50 || ||=
holmium ||= Ho ||= 67 ||= 164.93 || ||=
erbium ||= Er ||= 68 ||= 167.26 || ||=
thullium ||= Tm ||= 69 ||= 168.93 || ||=
ytterbium ||= Yb ||= 70 ||= 173.06 || =

Facts:
1. Lanthanides are used in lights, lasers and magnets
2. Locates in Period 6 in between 2 & 3
3. Classified as rare earth

Physical Properties:
1. are silvery-white
2. Are soft metals
3. Pale colors
Chemical Properties:
1. Burn easily in air
2. Very reactive
3. High melting and boiling points
Common Uses:
1. Auer metal
2. Petroleum
3. Color ceramics & glasses